I didn't even know this was a feature. Seems like it's unnecessarily ambiguous, since you can't tell at a glance whether a variable is a dag or a task. Definitely in favor of removal.
On Wed, Jul 3, 2019 at 8:49 AM Ash Berlin-Taylor <a...@apache.org> wrote: > I'm just suggesting removing the `dag >> task` -- `task >> task` will stay > > > On 3 Jul 2019, at 13:46, Philippe Gagnon <philgagn...@gmail.com> wrote: > > > > Just to be clear, are you suggesting removing all bitshift operator > > overloads from airflow operators (sorry - the dual meaning of operator > here > > is confusing), or just the assignment to DAG behavior? > > > > If it's the former, I find it to be a particularly expressive way to > define > > dependencies between tasks so I would vote to keep it as is. The latter > > usage is much less useful, so I would be +1 on removing it. > > > > On Wed, Jul 3, 2019 at 8:42 AM Ash Berlin-Taylor <a...@apache.org> wrote: > > > >> It is possible to assign a task to the dag using the bitshift operators, > >> however it doesn't pick up default_args when done this way < > >> https://issues.apache.org/jira/browse/AIRFLOW-883>: > >> > >> ``` > >> dag = DAG('my_dag', default_args=default_args) > >> dummy = DummyOperator(task_id='dummy') > >> > >> dag >> dummy > >> ``` > >> > >> We could fix that, but how about instead we remove this way of assigning > >> tasks to dags, leaving the context manager (`with dag:`) and other > >> constructions (`Operator(..., dag=dag)`) > >> > >> Thoughts? > >> > >> > >